Accordion: Properly set corner classes on refresh. Fixes #8995 - Accordion: Corner display issues.
Accordion: Add panel in addition to content for create event. Fixes #8998 - Accordion: Create event uses content instead of panel.
Datepicker: Handle when yearRange is a year or a modifier. Fixed #8994 - Datepicker: next and prev buttons are disabled when using yearRange
Merge pull request #891 from petersendidit/datepicker_8994

Datepicker: Handle when yearRange is a year or a modifier. Fixed #8994 -...
Dialog: Don't handle overlays on destory if there are not any. Fixed: #9004 - failed in _destroyOverlay when I destroy a modal dialog thau was never opened. Fixed: #9000 Dialog leaves broken event handler after close/destroy in certain cases
Autocomplete demo: Fixed reference to widget instance.
Dialog: Allow interaction with datepickers from modal dialogs. Fixes #8989 - Dialog: Cannot change month/year in datepicker within modal.
Dialog: modified _createOverlay to _appendTo instead of document.body. Fixed #8984 - Modal dialogs display behind overlay when using appendTo option
Slider: Added rounded corners to range area. Fixed #9024 - Slider: Range area needs rounded corners, too
Effects Core: make removeClass work correctly with changes jQuery 1.9.0. Fixed #9015 - Inclusion of jQuery UI breaks removeClass
Autocomplete: Fix .data() references in demos. Fixes #9029 - Autocomplete: Multiple demo has errors.
Dialog: Move call to _focusTabbable and triggering of open and focus events into the _show callback. Fixes #6756 - Dialog: show: "blind" with link in content doesn't animate properly. Fixes #8051 - Dialog: 'Explode' dialog animation causes crash in IE 6, 7 and 8. Fixes #4421 - Dialog: Focus lost from dialog which uses show-effect
Dialog Tests: Add test to ensure dialog keeps focus when clicking a modal overlay
Dialog Tests: Cleanup el -> element
Menu: Escape em and en dashes in regex. Fixes #9016 - Menu: Non-ASCII characters.
Sortable demo: Fix use of tabs API.
Upgrade QUnit to 1.11.0. Fixes #8969 - Global test failure in Opera 12.12.
Datepicker demo: Simplify localization demo so that jqueryui.com works properly.
Dialog: Set the _isOpen flag immediately in open(). Fixes #8958 - Dialog: Double ui-widget-overlay when opening modal dialog triggers an event opening same dialog.
Dialog: Check for empty array in addition to empty object when checking if there are buttons. Fixes #9043 - Dialog: Buttonpane shown with no buttons when modifying native prototypes.